Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41362001 |
| 西藏拉萨河谷全新世植被与环境变化及泥炭孢粉和植物残体记录研究 | |
| 拉多 | |
| 主持机构 | 西藏大学 |
| 开始日期 | 2014 |
| 结束日期 | 2017 |
| 资助经费 | 540000(CNY) |
| 项目类别 | 地区科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | The controversy has been among palaeoecologists and ecologists on the causes or drivers of changes in the Holocene vegetation and environment in the mid and upper valley of the Yarlung Zangbo River, in South-western Tibet. However, study on palaeo-vegetational and environmental changes in the critical areas of the mid and upper Yarlung Zangbo River valley - the Lhsa Valley in southern Tibet yet been reported in detail. Therefore, the Lhasa Valley will be chosen as study site to reconstruct the changes in Holocene vegetation and environment in the area by detailed regional-scale and local-scale pollen and macrofossil analyses, combining with the current ecological situation, contemporary landscape features, historical and archaeological information to understand the mechanisms of the Holocene vegetational and environmental change, and the posible causes. (regional climate change, human factors, etc.) of the present desert-like landscape in the Lhasa Valley. The major scientific issues of this project are as follow: What kind of changes in vegetation and environment experienced (the process of changes and rhythm) in the Lhasa Valley during the Holocene? What condition determined the present desert-like landscape in the Lhasa valley (regional climate change, human factors, or a combination of both)? This study could provide the scientific basis for exploring the Holocene vegetation history and environment changes in the Lhasa Valley, and for the predicting future trends of environmental changes in the area under the intensified global climate change and human activities increasingly. It could also provide the most basic palaeoecological information for protection of the ecological environment of the region. |
| 中文关键词 | 拉萨河谷 ; 全新世 ; 植被与环境变化 ; 孢粉 ; 植物残体 |
| 来源机构 | 西藏大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/344281 |
| 推荐引用方式 GB/T 7714 | 拉多.西藏拉萨河谷全新世植被与环境变化及泥炭孢粉和植物残体记录研究.2014. |
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